[Sign up popap] Registration is performed when the wrong password is entered in the field 'Confirm password'

[Description:] When the user wants to register as a "Student" by entering a different password in the "Confirm password" field, registration will take place.
Environment: Google Chrom 112.0.5615.137 (Official), (x86_64)
Reproducible: always.

Prerequisite: Open the "Register as a Student" page

Steps to reproduce:
1. Fill in the registration field
2. Enter the password
3. Confirm the password (Enter incorrect data)
4. Agree to the "Terms and Privacy Policy"
5. Click the "Register" button

Actual Result: If the wrong password is entered in the "Confirm password" field, the user can register.

https://user-images.githubusercontent.com/130448671/234966753-fa5e147f-245c-4c5f-892c-e094fae6cdca.mp4

Expected result: If the "Confirm password" registration field is filled in incorrectly, an error occurs (Incorrect password).

Start at the "Register as a Student" page and inspect the validation for the "Confirm password" field. Reproduce the mismatch described in the issue, then verify that registration is blocked and an "Incorrect password" error is shown when the values differ.

Written by the indexing model from the issue text.